Lock



FIG. 1 is a rear top right side perspective view of an embodiment of the lock;

FIG. 2 is a top plan view of the lock of FIG. 1;

FIG. 3 is a front elevational view of the lock of FIG. 1;

FIG. 4 is a left side elevational view of the lock of FIG. 1;

FIG. 5 is a right side elevational view of the lock of FIG. 1;

FIG. 6 is a rear elevational side view of the lock of FIG. 1;

FIG. 7 is a bottom plan view of the lock of FIG. 1;

FIG. 8 is a front bottom left side perspective view of the lock of FIG. 1;

FIG. 9 is a rear top right side perspective view of a further embodiment of the lock;

FIG. 10 is a top plan view of the lock of FIG. 9;

FIG. 11 is a front elevational view of the lock of FIG. 9;

FIG. 12 is a left side elevational view of the lock of FIG. 9;

FIG. 13 is a right side elevational view of the lock of FIG. 9;

FIG. 14 is a rear elevational side view of the lock of FIG. 9;

FIG. 15 is a bottom plan view of the lock of FIG. 9; and,

FIG. 16 is a front bottom left side perspective view of the lock of FIG. 9.

The broken lines show components that form no part of the claimed design. 

CLAIM The ornamental design for a lock, as shown and described. 